基数词

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基数词:表示数目的词叫基数词

1 英语中常用的基数词有:

12

3

4

5

6

7

8

9

10

11

12

onetwo

three

four

five

six

seven

eight

nine

ten

eleven

twelve

 

13

14

15

16

17

18

19

 

 

thirteen

fourteen

fifteen

sixteen

seventeen

eighteen

nineteen

 

 

 

20

30

40

50

60

70

80

90

100

twenty

thirty

forty

fifty

sixty

seventy

eighty

ninety

one(a) hundred

 

 

23

 

35

 

 

 

 

 

101

 

 

twenty-three

 

thirty-five

 

 

 

 

 

one hundred and one

 

1000→one(a) thousand,10000 ten thousand,100000one hundred thousand ,1000000one million,10000000→ten million, 100000000one hundred million,

108one hundred and eight, 146one hundred and forty-six, 500five hundred , 1001one thousand and one, 1813one thousand eight hundred and thirteen. 

2[]:(1)百位与十位之间要加and;十万位和万位,亿位和千万位之间通常也要加and

(2)英语用千、百万等单位计数,大数字从右向左看, 每隔三位划一逗号,倒数第一个逗号之前要用thousand,倒数第二个逗号之前要用million,倒数第三的逗号之前要用billion表示。

(3) hundred thousand million作数词时,不用复数,前面可以加上one, two, …等其它数词。用作名词时复数表示“成…上…”,后面必须要有of,前面可以加上some,many,several等词。如:five hundred(五百), hundreds of(成百上千的), ten thousand(一万), thousands of(成千上万的), millions of(成百万的)

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